Using HP PC Hardware Diagnostics (UEFI)
HP PC Hardware Diagnostics is a Unified Extensible Firmware Interface (UEFI) that allows you to run
diagnostic tests to determine whether the computer hardware is functioning properly. The tool runs
outside the operating system so that it can isolate hardware failures from issues that are caused by
the operating system or other software components.
To start HP PC Hardware Diagnostics UEFI:
1. Turn on or restart the computer, quickly press esc, or hold down the volume down button while
the “Hold the Volume Down button to enter the BIOS Startup Menu” is displayed at the bottom of
the screen. The Startup menu is displayed.
2. Press or tap f2.
The BIOS searches three places for the diagnostic tools, in the following order:
a. Connected USB drive
NOTE: To download the HP PC Hardware Diagnostics (UEFI) tool to a USB drive, see
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device on page 81.
b. Hard drive
c. BIOS
3. When the diagnostic tool opens, use the keyboard arrow keys or the touch screen to select the
type of diagnostic test you want to run, and then follow the on-screen instructions.
NOTE: If you need to stop a diagnostic test, press esc or tap anywhere on the touch screen.
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device
NOTE: Instructions for downloading HP PC Hardware Diagnostics (UEFI) are provided in English
only.
There are two options to download HP PC Hardware Diagnostics to a USB device:
Option 1: HP PC Diagnostics homepage— Provides access to the latest UEFI version
1. Go to http://hp.com/go/techcenter/pcdiags.
2. Click the UEFI Download link, and then select Run.
Option 2: Support and Drivers page—Provides downloads for a specific product for earlier and later
versions
1. Go to http://www.hp.com.
2. Point to Support, located at the top of the page, and then click Download Drivers.
3. In the text box, enter the product name, and then click Go.
– or –
Click Find Now to let HP automatically detect your product.
4. Select your computer model, and then select your operating system.
5. In the Diagnostic section, click HP UEFI Support Environment.
– or –
Using HP PC Hardware Diagnostics (UEFI) 81
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